Aeronautical Fixed Service
Encyclopedia
The Aeronautical Fixed Service (AFS) is a telecommunication
service between specified fixed points provided primarily for the safety of air navigation
and for the regular, efficient and economical operation of air services. ("Air service" means any scheduled air service performed by aircraft for the public transport of passengers, mail or cargo.) The Aeronautical Fixed Service is provided by voice and data networks, including:
Telecommunication
Telecommunication is the transmission of information over significant distances to communicate. In earlier times, telecommunications involved the use of visual signals, such as beacons, smoke signals, semaphore telegraphs, signal flags, and optical heliographs, or audio messages via coded...
service between specified fixed points provided primarily for the safety of air navigation
Air navigation
The basic principles of air navigation are identical to general navigation, which includes the process of planning, recording, and controlling the movement of a craft from one place to another....
and for the regular, efficient and economical operation of air services. ("Air service" means any scheduled air service performed by aircraft for the public transport of passengers, mail or cargo.) The Aeronautical Fixed Service is provided by voice and data networks, including:
- Aeronautical Fixed Telecommunication Network (AFTN)
- Common ICAO Data Interchange Network (CIDIN)
- Air Traffic Services (ATS) Message Handling SystemAeronautical Message Handling SystemATS Message Handling System also known as Aeronautical Message Handling System is a standard for aeronautical ground-ground communications based on X.400 profiles...
(AMHS)